... 2)Standard:GB 5237-2008 3)high-quality Aluminum extrusion 1)Alloy No.:6005,6060,6061,6063,6063A,6463, ... so on.5)Introduction:We can supply all kinds of aluminum profile, aluminum extruded profile, solar energy profile, elevator guide rail profile ... film wrap, string, woden case,or according to customers' need. Aluminum alloy sheet limit